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Finding the Fourth Proportional to 614,907.48, 922,641.45 and 315,598.22

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Solution

The fourth proportional to 614,907.48, 922,641.45 and 315,598.22 is: 473,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,907.48 : 922,641.45 = 315,598.22 : x
  2. Step 2: Convert to fraction form
    614,907.48/922,641.45 = 315,598.22/x
  3. Step 3: Cross multiply
    614,907.48x = 922,641.45 × 315,598.22
  4. Step 4: Simplify right side
    614,907.48x = 291,183,999,318.22
  5. Step 5: Solve for x
    x = 291,183,999,318.22/614,907.48
  6. Step 6: Final answer
    x = 473,541.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.