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Finding the Fourth Proportional to 604,570.40, 834,314.16 and 346,442.24

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Solution

The fourth proportional to 604,570.40, 834,314.16 and 346,442.24 is: 478,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,570.40 : 834,314.16 = 346,442.24 : x
  2. Step 2: Convert to fraction form
    604,570.40/834,314.16 = 346,442.24/x
  3. Step 3: Cross multiply
    604,570.40x = 834,314.16 × 346,442.24
  4. Step 4: Simplify right side
    604,570.40x = 289,041,666,454.12
  5. Step 5: Solve for x
    x = 289,041,666,454.12/604,570.40
  6. Step 6: Final answer
    x = 478,094.31

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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.