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Finding the Fourth Proportional to 917,303.10, 1,266,477.81 and 595,929.12

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Solution

The fourth proportional to 917,303.10, 1,266,477.81 and 595,929.12 is: 822,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,303.10 : 1,266,477.81 = 595,929.12 : x
  2. Step 2: Convert to fraction form
    917,303.10/1,266,477.81 = 595,929.12/x
  3. Step 3: Cross multiply
    917,303.10x = 1,266,477.81 × 595,929.12
  4. Step 4: Simplify right side
    917,303.10x = 754,731,006,812.83
  5. Step 5: Solve for x
    x = 754,731,006,812.83/917,303.10
  6. Step 6: Final answer
    x = 822,771.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.